How To Set Default Login Page In Web Config

How To Articles

Setting the default login page in the web.config file is an essential step in setting up user authentication for your web application. It allows you to specify the page where users will be redirected to when they try to access a protected resource without being authenticated. In this article, I will guide you through the process of configuring the default login page in the web.config file, and share some personal tips and insights along the way.

Step 1: Locate the web.config File

The web.config file is a configuration file that is located at the root of your web application. It contains settings and values that determine how your application behaves. To set the default login page, we need to open the web.config file and make some changes.

Step 2: Open the web.config File

Using a text editor, such as Notepad or Visual Studio Code, open the web.config file. If you are using Visual Studio, you can right-click on the web.config file in the Solution Explorer, and select “Open With” to choose your preferred text editor.

Step 3: Add the loginUrl Attribute

Inside the <system.web> section of the web.config file, add the following code:

<authentication mode="Forms">
<forms loginUrl="~/Login.aspx" />

Replace ~/Login.aspx with the actual path to your desired login page. This can be a physical file path or a relative URL.

Step 4: Save the web.config File

After making the necessary changes, save the web.config file. Ensure that you have the necessary permissions to modify the file if you are working on a shared hosting environment.

Now, when a user tries to access a protected resource without being authenticated, they will be automatically redirected to the specified login page. This helps provide a seamless authentication experience for your users.

My Personal Tips

While setting the default login page in the web.config file is a relatively straightforward process, here are some personal tips and insights to enhance your implementation:

1. Use a Custom Login Page

Instead of using a generic login page, consider creating a custom login page that aligns with your application’s design and branding. This helps provide a consistent user experience and reinforces your application’s identity.

2. Implement Secure Authentication

When implementing user authentication, it is essential to use secure practices. Consider using a secure connection (HTTPS) for transmitting sensitive information, such as passwords. Additionally, make sure to hash and salt user passwords to protect them from being compromised in case of a data breach.

3. Implement Multi-factor Authentication

Enhance the security of your application by implementing multi-factor authentication. This adds an extra layer of protection by requiring users to provide additional verification, such as a code sent to their mobile device, in addition to their password.


Configuring the default login page in the web.config file is a crucial step in implementing user authentication for your web application. By following the steps outlined in this article, you can ensure that your users are seamlessly redirected to the login page when necessary. Remember to personalize your login page and implement secure practices to provide a secure and user-friendly authentication experience.